did the president actually mislead americans in selling his signature health care law? let's bring in jim acosta. millions of americans are now being told they can't keep their current health care policies. what the white house response? >> reporter: white house officials have been fighting back on twitter, arguing back that the people being affected right now represent a tiny fraction, 5% of the insurance market as we stand right now. but still, those changes that are happening for millions of americans do call into question a key selling point the president made about the health care law, one the white house says was not misleading. it's a presidential sales pitch. >> if you like your plan, keep your plan. >> reporter: millions of americans aren't buying any more. >> if you like your plan, you can keep your plan. if you like your private health insurance plan, you can keep it. >> reporter: but as obama care becomes reality, construction workers like ryan are finding they cannot keep their plan. >> i'm stomping mad. the guys i work with have gotten the same letters. an